<template>
    <el-card class="main-card">
        <div class="title">{{ this.$route.name }}</div>
        <div class="review-menu">
            <span>状态</span>
            <span @click="changeReview(null)" :class="isReview == null ? 'active-review' : 'review'">全部</span>
            <span @click="changeReview(1)" :class="isReview == 1 ? 'active-review' : 'review'">正常</span>
            <span @click="changeReview(0)" :class="isReview == 0 ? 'active-review' : 'review'">审核中</span>
        </div>
        <!-- 表格操作 -->
        <div class="operation-container">
            <el-button type="danger" size="small" icon="el-icon-delete"
                       :disabled="messageIdList.length == 0" @click="deleteFlag = true">
                批量删除
            </el-button>
            <el-button type="success" size="small" icon="el-icon-success"
                       :disabled="messageIdList.length == 0" @click="updateMessageReview(null)">
                批量通过
            </el-button>
            <!-- 数据筛选 -->
            <div style="margin-left:auto">
                <el-input v-model="keywords" prefix-icon="el-icon-search" size="small"
                          placeholder="请输入用户昵称" style="width:200px" @keyup.enter.native="searchMessages"/>
                <el-button type="primary" size="small" icon="el-icon-search"
                           style="margin-left:1rem" @click="searchMessages">
                    搜索
                </el-button>
            </div>
        </div>
        <!-- 表格展示 -->
        <el-table border v-loading="loading" :data="messageList" @selection-change="selectionChange">
            <!-- 表格列 -->
            <el-table-column type="selection" width="55"/>
            <el-table-column prop="avatar" label="头像" align="center" width="150">
                <template slot-scope="scope">
                    <img :src="scope.row.avatar" width="40" height="40"/>
                </template>
            </el-table-column>
            <el-table-column prop="nickname" label="留言人" align="center" width="150"/>
            <el-table-column prop="messageContent" label="留言内容" align="center"/>
            <el-table-column prop="ipAddress" label="ip地址" align="center" width="150"/>
            <el-table-column prop="ipSource" label="ip来源" align="center" width="170"/>
            <!-- 状态 -->
            <el-table-column prop="isReview" label="状态" width="80" align="center">
                <template slot-scope="scope">
                    <el-tag v-if="scope.row.isReview == 0" type="warning">审核中</el-tag>
                    <el-tag v-if="scope.row.isReview == 1" type="success">正常</el-tag>
                </template>
            </el-table-column>
            <el-table-column prop="createTime" label="留言时间" width="140" align="center">
                <template slot-scope="scope">
                    <i class="el-icon-time" style="margin-right:5px"/>
                    {{ scope.row.createTime | date }}
                </template>
            </el-table-column>
            <!-- 列操作 -->
            <el-table-column label="操作" width="160" align="center">
                <template slot-scope="scope">
                    <el-button v-if="scope.row.isReview == 0" size="mini" type="success" slot="reference"
                               @click="updateMessageReview(scope.row.id)">
                        通过
                    </el-button>
                    <el-popconfirm style="margin-left:10px" title="确定删除吗？" @confirm="deleteMessage(scope.row.id)">
                        <el-button size="mini" type="danger" slot="reference">删除</el-button>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页 -->
        <el-pagination class="pagination-container" background @size-change="sizeChange" @current-change="currentChange"
                       :current-page="current"
                       :page-size="size" :total="count" :page-sizes="[10, 20]"
                       layout="total, sizes, prev, pager, next, jumper"/>
        <!-- 批量删除对话框 -->
        <el-dialog :visible.sync="deleteFlag" width="30%">
            <div class="dialog-title-container" slot="title">
                <i class="el-icon-warning" style="color:#ff9900"/>提示
            </div>
            <div style="font-size:1rem">是否删除选中项？</div>
            <div slot="footer">
                <el-button @click="deleteFlag = false">取 消</el-button>
                <el-button type="primary" @click="deleteMessage(null)">
                    确 定
                </el-button>
            </div>
        </el-dialog>
    </el-card>
</template>

<script>
export default {
    created() {
        this.listMessages();
    },
    data: function () {
        return {
            loading: true,
            deleteFlag: false,
            messageIdList: [],
            messageList: [],
            keywords: null,
            isReview: null,
            current: 1,
            size: 10,
            count: 0
        };
    },
    methods: {
        selectionChange(messageList) {
            this.messageIdList = [];
            messageList.forEach(item => {
                this.messageIdList.push(item.id);
            });
        },
        searchMessages() {
            this.current = 1;
            this.listMessages();
        },
        sizeChange(size) {
            this.size = size;
            this.listMessages();
        },
        currentChange(current) {
            this.current = current;
            this.listMessages();
        },
        deleteMessage(id) {
            var param = {};
            if (id != null) {
                param = {data: [id]};
            } else {
                param = {data: this.messageIdList};
            }
            this.axios.delete("/api/admin/messages", param).then(({data}) => {
                if (data.flag) {
                    this.$notify.success({
                        title: "成功",
                        message: data.message
                    });
                    this.listMessages();
                } else {
                    this.$notify.error({
                        title: "失败",
                        message: data.message
                    });
                }
                this.deleteFlag = false;
            });
        },
        updateMessageReview(id) {
            let param = {};
            if (id != null) {
                param.idList = [id];
            } else {
                param.idList = this.messageIdList;
            }
            param.isReview = 1;
            this.axios.put("/api/admin/messages/review", param).then(({data}) => {
                if (data.flag) {
                    this.$notify.success({
                        title: "成功",
                        message: data.message
                    });
                    this.listMessages();
                } else {
                    this.$notify.error({
                        title: "失败",
                        message: data.message
                    });
                }
            });
        },
        changeReview(review) {
            this.isReview = review;
        },
        listMessages() {
            this.axios
                .get("/api/admin/messages", {
                    params: {
                        current: this.current,
                        size: this.size,
                        keywords: this.keywords,
                        isReview: this.isReview
                    }
                })
                .then(({data}) => {
                    this.messageList = data.data.recordList;
                    this.count = data.data.count;
                    this.loading = false;
                });
        }
    },
    watch: {
        isReview() {
            this.current = 1;
            this.listMessages();
        }
    }
};
</script>

<style scoped>
.operation-container {
    margin-top: 1.5rem;
}

.review-menu {
    font-size: 14px;
    margin-top: 40px;
    color: #999;
}

.review-menu span {
    margin-right: 24px;
}

.review {
    cursor: pointer;
}

.active-review {
    cursor: pointer;
    color: #333;
    font-weight: bold;
}
</style>
